Already have two of them....$6000 you can have my used one.
I like my Catepillar Co. M2 HB .50 better....and oh, for 500m or yd shots...I stick to .223, .300 win mag, .308, or .30-06...I save my .50 cal for 2000 plus m/yd. I dont waste my $2.50 rd per shot ammo on anything under 1200m.